:root {
    --bg-dark: #0f172a;
    --bg-blue: #1e3a8a;
    --accent: #3b82f6;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-blue));
    color: var(--text-main);
    text-align: center;
}

.container {
    animation: fadeIn 1s ease forwards;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: 2px;
    font-weight: 600;
    margin-bottom: 15px;
}

p {
    font-size: 1.1rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.underline {
    width: 80px;
    height: 3px;
    margin: 25px auto 0;
    background: var(--accent);
    border-radius: 3px;
    animation: expand 1.2s ease forwards;
}

@keyframes fadeIn {
    from {
    opacity: 0;
    transform: translateY(15px);
    }
    to {
    opacity: 1;
    transform: translateY(0);
    }
}

@keyframes expand {
    from {
    width: 0;
    }
    to {
    width: 80px;
    }
}